diff options
author | Kim Phillips <kim.phillips@freescale.com> | 2008-06-16 15:55:53 -0500 |
---|---|---|
committer | Andrew Fleming-AFLEMING <afleming@freescale.com> | 2008-07-14 17:01:29 -0500 |
commit | 6b70ffb9d1b2e791161f3cf92937aa45b4a07b78 (patch) | |
tree | f24a6eb97feae2e44f013f047468ec0dffba71d2 /common | |
parent | ab5cda9f88c3eaf9cf599adc3a3375906c4ed904 (diff) |
fdt: add crypto node handling for MPC8{3, 5}xxE processors
Delete the crypto node if not on an E-processor. If on 8360 or 834x family,
check rev and up-rev crypto node (to SEC rev. 2.4 property values)
if on an 'EA' processor, e.g. MPC8349EA.
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'common')
-rw-r--r-- | common/fdt_support.c | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 38282282045..93b144e64cb 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -442,3 +442,90 @@ void fdt_fixup_dr_usb(void *blob, bd_t *bd) prop, compat, fdt_strerror(err)); } #endif /* CONFIG_HAS_FSL_DR_USB */ + +#if defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) +/* + * update crypto node properties to a specified revision of the SEC + * called with sec_rev == 0 if not on an mpc8xxxE processor + */ +void fdt_fixup_crypto_node(void *blob, int sec_rev) +{ + const struct sec_rev_prop { + u32 sec_rev; + u32 num_channels; + u32 channel_fifo_len; + u32 exec_units_mask; + u32 descriptor_types_mask; + } sec_rev_prop_list [] = { + { 0x0200, 4, 24, 0x07e, 0x01010ebf }, /* SEC 2.0 */ + { 0x0201, 4, 24, 0x0fe, 0x012b0ebf }, /* SEC 2.1 */ + { 0x0202, 1, 24, 0x04c, 0x0122003f }, /* SEC 2.2 */ + { 0x0204, 4, 24, 0x07e, 0x012b0ebf }, /* SEC 2.4 */ + { 0x0300, 4, 24, 0x9fe, 0x03ab0ebf }, /* SEC 3.0 */ + { 0x0303, 4, 24, 0x97c, 0x03ab0abf }, /* SEC 3.3 */ + }; + char compat_strlist[ARRAY_SIZE(sec_rev_prop_list) * + sizeof("fsl,secX.Y")]; + int crypto_node, sec_idx, err; + char *p; + u32 val; + + /* locate crypto node based on lowest common compatible */ + crypto_node = fdt_node_offset_by_compatible(blob, -1, "fsl,sec2.0"); + if (crypto_node == -FDT_ERR_NOTFOUND) + return; + + /* delete it if not on an E-processor */ + if (crypto_node > 0 && !sec_rev) { + fdt_del_node(blob, crypto_node); + return; + } + + /* else we got called for possible uprev */ + for (sec_idx = 0; sec_idx < ARRAY_SIZE(sec_rev_prop_list); sec_idx++) + if (sec_rev_prop_list[sec_idx].sec_rev == sec_rev) + break; + + if (sec_idx == ARRAY_SIZE(sec_rev_prop_list)) { + puts("warning: unknown SEC revision number\n"); + return; + } + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].num_channels); + err = fdt_setprop(blob, crypto_node, "fsl,num-channels", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].descriptor_types_mask); + err = fdt_setprop(blob, crypto_node, "fsl,descriptor-types-mask", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].exec_units_mask); + err = fdt_setprop(blob, crypto_node, "fsl,exec-units-mask", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = cpu_to_fdt32(sec_rev_prop_list[sec_idx].channel_fifo_len); + err = fdt_setprop(blob, crypto_node, "fsl,channel-fifo-len", &val, 4); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); + + val = 0; + while (sec_idx >= 0) { + p = compat_strlist + val; + val += sprintf(p, "fsl,sec%d.%d", + (sec_rev_prop_list[sec_idx].sec_rev & 0xff00) >> 8, + sec_rev_prop_list[sec_idx].sec_rev & 0x00ff) + 1; + sec_idx--; + } + err = fdt_setprop(blob, crypto_node, "compatible", &compat_strlist, val); + if (err < 0) + printf("WARNING: could not set crypto property: %s\n", + fdt_strerror(err)); +} +#endif /* defined(CONFIG_MPC83XX) || defined(CONFIG_MPC85xx) */ |